EVERYDAY SCIENCE

SCIENCE

BOTANY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of the following biomolecules is correctly characterized?
A
Lecithin-a phosphorylated glyceride found in cell membrane.
B
Palmitic acid-an unsaturated fatty acid with 18 carbon atoms.
C
Adenylic acid-adenosine with a glucose phosphate molecule.
D
Alanine amino acid-contains an amino group and an acidic group anywhere in the molecule.
Explanation: 

Detailed explanation-1: -Lecithin-A phosphorylated glyceride found in cell membrane. Palmitic acid-An unsaturated fatty acid with 18 carbon atoms.

Detailed explanation-2: -Lecithin-a phosphorylated glyceride found in cell membrane. Palmitic acid-an unsaturated fatty acid with 18 carbon atoms. Adenylic acid-adenosine with a glucose phosphate molecule. Alanine amino acid-contains an amino group and an acidic group anywhere in the molecule.

Detailed explanation-3: -In addition there are other oxygen of the ester groups, which make on whole end of the molecule strongly ionic and polar. Phospholipids are major components in the lipid bilayers of cell membranes. There are two common phospholipids: Lecithin contains the amino alcohol, choline.

Detailed explanation-4: -Biomolecule has two categories (Ni et al., 2017): macromolecules (e.g., protein, nucleic acid, polysaccharides) and micromolecules (e.g., amino acids, nucleic acids, monosaccharide) A biomolecule-based sensor has two types: enzyme based and DNA sensors.

Detailed explanation-5: -The 4 main types of biomolecules are – lipids, carbohydrates, proteins and nucleic acids.

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